Abstract
We study closed n-dimensional manifolds of which the metrics are critical for quadratic curvature functionals involving the Ricci curvature, the scalar curvature and the Riemannian curvature tensor on the space of Riemannian metrics with unit volume. Under some additional integral conditions, we classify such manifolds. Moreover, under some curvature conditions, the result that a critical metric must be Einstein is proved.
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The research of author is supported by NSFC (Nos. 11971153, 11671121).
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Huang, G. Some rigidity characterizations on critical metrics for quadratic curvature functionals. Anal.Math.Phys. 10, 12 (2020). https://doi.org/10.1007/s13324-020-00355-6
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DOI: https://doi.org/10.1007/s13324-020-00355-6